* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map
* SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints, NamedArg, Search/Update/Create with SQL Expr
* Composite Primary Key
* Auto Migrations
* Logger

    //                                                                              ======
    public void insert(ThumbnailQueue entity) {
        doInsert(entity, null);
    }

    public void insert(ThumbnailQueue entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(Role entity) {
        doInsert(entity, null);
    }

    public void insert(Role entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(FailureUrl entity) {
        doInsert(entity, null);
    }

    public void insert(FailureUrl entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(RequestHeader entity) {
        doInsert(entity, null);
    }

    public void insert(RequestHeader entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(ClickLog entity) {
        doInsert(entity, null);
    }

    public void insert(ClickLog entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(User entity) {
        doInsert(entity, null);
    }

    public void insert(User entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(WebAuthentication entity) {
        doInsert(entity, null);
    }

    public void insert(WebAuthentication entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(BadWord entity) {
        doInsert(entity, null);
    }

    public void insert(BadWord entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(BoostDocumentRule entity) {
        doInsert(entity, null);
    }

    public void insert(BoostDocumentRule entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }